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451 lines (409 loc) · 15.6 KB
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/* This file is part of VoltDB.
* Copyright (C) 2008-2018 VoltDB Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <cppunit/TestCase.h>
#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/TestFixture.h>
#include "Exception.hpp"
#include "ByteBuffer.hpp"
#include <boost/scoped_ptr.hpp>
namespace voltdb {
class ByteBufferTest : public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE( ByteBufferTest );
CPPUNIT_TEST_EXCEPTION( checkNullBuffer, voltdb::NullPointerException );
CPPUNIT_TEST( checkGetPutIndexValid );
CPPUNIT_TEST_EXCEPTION( checkGetPutIndexNegative, voltdb::OverflowUnderflowException );
CPPUNIT_TEST_EXCEPTION( checkGetPutIndexOver, voltdb::OverflowUnderflowException );
CPPUNIT_TEST_EXCEPTION( checkIndexNegativeIndex, voltdb::IndexOutOfBoundsException );
CPPUNIT_TEST_EXCEPTION( checkIndexOverIndex, voltdb::IndexOutOfBoundsException );
CPPUNIT_TEST_EXCEPTION( checkIndexNegativeLength, voltdb::IndexOutOfBoundsException );
CPPUNIT_TEST_EXCEPTION( checkIndexOverLength, voltdb::IndexOutOfBoundsException );
CPPUNIT_TEST( checkIndexValid );
CPPUNIT_TEST( testFlip );
CPPUNIT_TEST( testClear );
CPPUNIT_TEST( testGetCharsPosition );
CPPUNIT_TEST( testGetCharsIndex );
CPPUNIT_TEST( testPutCharsPosition );
CPPUNIT_TEST( testPutCharsIndex );
CPPUNIT_TEST( testPutBuffer );
CPPUNIT_TEST( testInt8 );
CPPUNIT_TEST( testInt16 );
CPPUNIT_TEST( testInt32 );
CPPUNIT_TEST( testInt64 );
CPPUNIT_TEST( testDouble );
CPPUNIT_TEST( testString );
CPPUNIT_TEST_EXCEPTION( testPositionNegative, voltdb::IndexOutOfBoundsException );
CPPUNIT_TEST_EXCEPTION( testPositionOver, voltdb::IndexOutOfBoundsException );
CPPUNIT_TEST( testRemainingAndHasRemaining );
CPPUNIT_TEST_EXCEPTION( testLimitNegative, voltdb::IndexOutOfBoundsException );
CPPUNIT_TEST_EXCEPTION( testLimitOver, voltdb::IndexOutOfBoundsException );
CPPUNIT_TEST( testSlice );
CPPUNIT_TEST( testIsExpandable );
CPPUNIT_TEST_EXCEPTION( testEnsureRemainingThrows, voltdb::NonExpandableBufferException );
CPPUNIT_TEST_EXCEPTION( testEnsureRemainingExactThrows, voltdb::NonExpandableBufferException );
CPPUNIT_TEST_EXCEPTION( testEnsureCapacityThrows, voltdb::NonExpandableBufferException );
CPPUNIT_TEST_EXCEPTION( testEnsureCapacityExactThrows, voltdb::NonExpandableBufferException );
CPPUNIT_TEST( testCopyConstruction );
CPPUNIT_TEST( testSharedAndScopedByteBuffer );
CPPUNIT_TEST_SUITE_END();
public:
void checkNullBuffer() {
ByteBuffer b(NULL, 0);
}
void checkGetPutIndexValid() {
ByteBuffer b( reinterpret_cast<char*>(1), 0 );
b.checkGetPutIndex(0);
}
void checkGetPutIndexNegative() {
ByteBuffer b( reinterpret_cast<char*>(1), 0 );
b.checkGetPutIndex(-1);
}
void checkGetPutIndexOver() {
ByteBuffer b( reinterpret_cast<char*>(1), 0);
b.checkGetPutIndex(1);
}
void checkIndexNegativeIndex() {
ByteBuffer b( reinterpret_cast<char*>(1), 0);
b.checkIndex( -1, 0);
}
void checkIndexNegativeLength() {
ByteBuffer b( reinterpret_cast<char*>(1), 0);
b.checkIndex( 0, -1);
}
void checkIndexOverIndex() {
ByteBuffer b( reinterpret_cast<char*>(1), 0);
b.checkIndex( 1, 0);
}
void checkIndexOverLength() {
ByteBuffer b( reinterpret_cast<char*>(1), 0);
b.checkIndex( 0, 1);
}
void checkIndexValid() {
ByteBuffer b( reinterpret_cast<char*>(1), 0);
b.checkIndex( 0, 0);
}
void testFlip() {
ByteBuffer b( reinterpret_cast<char*>(1), 32);
b.position(16);
CPPUNIT_ASSERT(b.position() == 16);
CPPUNIT_ASSERT(b.limit() == 32);
b.flip();
CPPUNIT_ASSERT(b.position() == 0);
CPPUNIT_ASSERT(b.limit() == 16);
b.flip();
CPPUNIT_ASSERT(b.position() == 0);
CPPUNIT_ASSERT(b.limit() == 0);
}
void testClear() {
ByteBuffer b( reinterpret_cast<char*>(1), 32);
b.position(16).limit(16);
CPPUNIT_ASSERT(b.position() == 16);
CPPUNIT_ASSERT(b.limit() == 16);
b.clear();
CPPUNIT_ASSERT(b.position() == 0);
CPPUNIT_ASSERT(b.limit() == 32);
b.clear();
CPPUNIT_ASSERT(b.position() == 0);
CPPUNIT_ASSERT(b.limit() == 32);
}
void testGetCharsPosition() {
char source[] = { 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' };
char dest[4];
ByteBuffer b( source, 11);
b.get( dest, 4);
CPPUNIT_ASSERT(b.position() == 4);
CPPUNIT_ASSERT(b.remaining() == 7);
CPPUNIT_ASSERT(dest[0] == 'h');
CPPUNIT_ASSERT(dest[1] == 'e');
CPPUNIT_ASSERT(dest[2] == 'l');
CPPUNIT_ASSERT(dest[3] == 'l');
}
void testGetCharsIndex() {
char source[] = { 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' };
char dest[4];
ByteBuffer b( source, 11);
b.get( 4, dest, 4);
CPPUNIT_ASSERT(b.position() == 0);
CPPUNIT_ASSERT(b.remaining() == 11);
CPPUNIT_ASSERT(dest[0] == 'o');
CPPUNIT_ASSERT(dest[1] == ' ');
CPPUNIT_ASSERT(dest[2] == 'w');
CPPUNIT_ASSERT(dest[3] == 'o');
}
void testPutCharsPosition() {
char source[] = { 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' };
char dest[64];
ByteBuffer b( dest, 64);
b.put( source, 11);
CPPUNIT_ASSERT(b.position() == 11);
CPPUNIT_ASSERT(b.remaining() == 53);
CPPUNIT_ASSERT(dest[0] == 'h');
CPPUNIT_ASSERT(dest[1] == 'e');
CPPUNIT_ASSERT(dest[2] == 'l');
CPPUNIT_ASSERT(dest[3] == 'l');
CPPUNIT_ASSERT(dest[4] == 'o');
CPPUNIT_ASSERT(dest[5] == ' ');
CPPUNIT_ASSERT(dest[6] == 'w');
CPPUNIT_ASSERT(dest[7] == 'o');
CPPUNIT_ASSERT(dest[8] == 'r');
CPPUNIT_ASSERT(dest[9] == 'l');
CPPUNIT_ASSERT(dest[10] == 'd');
}
void testPutCharsIndex() {
char source[] = { 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' };
char dest[64];
ByteBuffer b( dest, 64);
b.put( 5, source, 11);
CPPUNIT_ASSERT(b.position() == 0);
CPPUNIT_ASSERT(b.remaining() == 64);
CPPUNIT_ASSERT(dest[5] == 'h');
CPPUNIT_ASSERT(dest[6] == 'e');
CPPUNIT_ASSERT(dest[7] == 'l');
CPPUNIT_ASSERT(dest[8] == 'l');
CPPUNIT_ASSERT(dest[9] == 'o');
CPPUNIT_ASSERT(dest[10] == ' ');
CPPUNIT_ASSERT(dest[11] == 'w');
CPPUNIT_ASSERT(dest[12] == 'o');
CPPUNIT_ASSERT(dest[13] == 'r');
CPPUNIT_ASSERT(dest[14] == 'l');
CPPUNIT_ASSERT(dest[15] == 'd');
}
void testPutBuffer() {
ByteBuffer empty(reinterpret_cast<char*>(1), 0);
char source[] = { 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' };
char dest[64];
ByteBuffer b( dest, 64);
b.put(&empty);
CPPUNIT_ASSERT(b.position() == 0);
CPPUNIT_ASSERT(b.remaining() == 64);
ByteBuffer data( source, 11);
b.put( &data );
CPPUNIT_ASSERT(b.position() == 11);
CPPUNIT_ASSERT(b.remaining() == 53);
CPPUNIT_ASSERT(dest[0] == 'h');
CPPUNIT_ASSERT(dest[1] == 'e');
CPPUNIT_ASSERT(dest[2] == 'l');
CPPUNIT_ASSERT(dest[3] == 'l');
CPPUNIT_ASSERT(dest[4] == 'o');
CPPUNIT_ASSERT(dest[5] == ' ');
CPPUNIT_ASSERT(dest[6] == 'w');
CPPUNIT_ASSERT(dest[7] == 'o');
CPPUNIT_ASSERT(dest[8] == 'r');
CPPUNIT_ASSERT(dest[9] == 'l');
CPPUNIT_ASSERT(dest[10] == 'd');
}
void testInt8() {
char storage[2];
ByteBuffer b( storage, 2);
b.putInt8( 0, 'a');
CPPUNIT_ASSERT(b.remaining() == 2);
CPPUNIT_ASSERT(b.position() == 0);
CPPUNIT_ASSERT(b.getInt8(0) == 'a');
CPPUNIT_ASSERT(b.remaining() == 2);
CPPUNIT_ASSERT(b.position() == 0);
b.putInt8('b').flip();
CPPUNIT_ASSERT(b.getInt8() == 'b');
CPPUNIT_ASSERT(b.remaining() == 0);
CPPUNIT_ASSERT(b.position() == 1);
}
void testInt16() {
char storage[2];
ByteBuffer b( storage, 2);
b.putInt16( 0, 495);
CPPUNIT_ASSERT(b.remaining() == 2);
CPPUNIT_ASSERT(b.position() == 0);
CPPUNIT_ASSERT(b.getInt16(0) == 495);
CPPUNIT_ASSERT(b.remaining() == 2);
CPPUNIT_ASSERT(b.position() == 0);
b.putInt16(500).flip();
CPPUNIT_ASSERT(b.getInt16() == 500);
CPPUNIT_ASSERT(b.remaining() == 0);
CPPUNIT_ASSERT(b.position() == 2);
}
void testInt32() {
char storage[4];
ByteBuffer b( storage, 4);
b.putInt32( 0, 64000);
CPPUNIT_ASSERT(b.remaining() == 4);
CPPUNIT_ASSERT(b.position() == 0);
CPPUNIT_ASSERT(b.getInt32(0) == 64000);
CPPUNIT_ASSERT(b.remaining() == 4);
CPPUNIT_ASSERT(b.position() == 0);
b.putInt32(64001).flip();
CPPUNIT_ASSERT(b.getInt32() == 64001);
CPPUNIT_ASSERT(b.remaining() == 0);
CPPUNIT_ASSERT(b.position() == 4);
}
void testInt64() {
char storage[8];
ByteBuffer b( storage, 8);
b.putInt64( 0, 64000);
CPPUNIT_ASSERT(b.remaining() == 8);
CPPUNIT_ASSERT(b.position() == 0);
CPPUNIT_ASSERT(b.getInt64(0) == 64000);
CPPUNIT_ASSERT(b.remaining() == 8);
CPPUNIT_ASSERT(b.position() == 0);
b.putInt64(64001).flip();
CPPUNIT_ASSERT(b.getInt64() == 64001);
CPPUNIT_ASSERT(b.remaining() == 0);
CPPUNIT_ASSERT(b.position() == 8);
}
void testDouble() {
char storage[8];
ByteBuffer b( storage, 8);
double value = 64000.124;
b.putDouble( 0, value);
CPPUNIT_ASSERT(b.remaining() == 8);
CPPUNIT_ASSERT(b.position() == 0);
double retval = b.getDouble(0);
CPPUNIT_ASSERT(::memcmp( &value, &retval, 8) == 0);
CPPUNIT_ASSERT(b.remaining() == 8);
CPPUNIT_ASSERT(b.position() == 0);
value = 64000.126;
b.putDouble(value).flip();
retval = b.getDouble();
CPPUNIT_ASSERT(::memcmp( &value, &retval, 8) == 0);
CPPUNIT_ASSERT(b.remaining() == 0);
CPPUNIT_ASSERT(b.position() == 8);
}
void testString() {
char storage[64];
std::string value("hello world");
ByteBuffer b( storage, 64);
b.putInt32(-1).flip();
bool wasNull = false;
std::string retval = b.getString(wasNull);
CPPUNIT_ASSERT(retval == "");
CPPUNIT_ASSERT(wasNull);
retval = b.clear().putString(value).flip().getString(wasNull = false);
CPPUNIT_ASSERT(retval == value);
CPPUNIT_ASSERT(!wasNull);
retval = b.clear().putString(3, value).getString(3, wasNull = false);
CPPUNIT_ASSERT(retval == value);
CPPUNIT_ASSERT(!wasNull);
retval = b.clear().putInt32(-1).getString(0, wasNull = false);
CPPUNIT_ASSERT(retval == "");
CPPUNIT_ASSERT(wasNull);
}
void testPositionNegative() {
ByteBuffer b(reinterpret_cast<char*>(1), 32);
b.position(-1);
}
void testPositionOver() {
ByteBuffer b(reinterpret_cast<char*>(1), 32);
b.position(33);
}
void testRemainingAndHasRemaining() {
ByteBuffer b(reinterpret_cast<char*>(1), 32);
CPPUNIT_ASSERT(b.hasRemaining());
CPPUNIT_ASSERT(b.remaining() == 32);
b.position(16);
CPPUNIT_ASSERT(b.remaining() == 16);
CPPUNIT_ASSERT(b.hasRemaining());
b.limit(24);
CPPUNIT_ASSERT(b.remaining() == 8);
CPPUNIT_ASSERT(b.hasRemaining());
b.limit(16);
CPPUNIT_ASSERT(b.remaining() == 0);
CPPUNIT_ASSERT(!b.hasRemaining());
}
void testLimitNegative() {
ByteBuffer b(reinterpret_cast<char*>(1), 32);
b.limit(-1);
}
void testLimitOver() {
ByteBuffer b(reinterpret_cast<char*>(1), 32);
b.limit(33);
}
void testSlice() {
ByteBuffer b(reinterpret_cast<char*>(1), 64);
b.position(16).limit(24);
ByteBuffer slice = b.slice();
CPPUNIT_ASSERT(b.position() == 24);
CPPUNIT_ASSERT(b.remaining() == 0);
CPPUNIT_ASSERT(slice.position() == 0);
CPPUNIT_ASSERT(slice.remaining() == 8);
CPPUNIT_ASSERT(slice.limit() == 8);
CPPUNIT_ASSERT(reinterpret_cast<uint64_t>(slice.bytes()) == 17);
}
void testIsExpandable() {
ByteBuffer b( reinterpret_cast<char*>(1), 64);
CPPUNIT_ASSERT(!b.isExpandable());
CPPUNIT_ASSERT(SharedByteBuffer(new char[32], 32).isExpandable());
CPPUNIT_ASSERT(ScopedByteBuffer(new char[32], 32).isExpandable());
}
void testEnsureRemainingThrows() {
ByteBuffer b( reinterpret_cast<char*>(1), 64);
b.ensureRemaining(64);
}
void testEnsureRemainingExactThrows() {
ByteBuffer b( reinterpret_cast<char*>(1), 64);
b.ensureRemainingExact(64);
}
void testEnsureCapacityThrows() {
ByteBuffer b( reinterpret_cast<char*>(1), 64);
b.ensureCapacity(64);
}
void testEnsureCapacityExactThrows() {
ByteBuffer b( reinterpret_cast<char*>(1), 64);
b.ensureCapacityExact(64);
}
void testCopyConstruction() {
ByteBuffer a( reinterpret_cast<char*>(1), 64);
ByteBuffer b(a);
CPPUNIT_ASSERT(a.bytes() == b.bytes());
CPPUNIT_ASSERT(a.position() == b.position());
CPPUNIT_ASSERT(a.limit() == b.limit());
CPPUNIT_ASSERT(a.capacity() == b.capacity());
}
void testSharedAndScopedByteBuffer() {
char *storage = new char[32];
SharedByteBuffer *shbuffer = new SharedByteBuffer( storage, 32);
/*
* Make sure there are no ops
*/
shbuffer->ensureRemaining(1);
CPPUNIT_ASSERT(shbuffer->bytes() == storage);
CPPUNIT_ASSERT(shbuffer->capacity() == 32);
shbuffer->ensureRemainingExact(1);
CPPUNIT_ASSERT(shbuffer->bytes() == storage);
CPPUNIT_ASSERT(shbuffer->capacity() == 32);
shbuffer->ensureCapacity(1);
CPPUNIT_ASSERT(shbuffer->bytes() == storage);
CPPUNIT_ASSERT(shbuffer->capacity() == 32);
shbuffer->ensureCapacityExact(1);
CPPUNIT_ASSERT(shbuffer->bytes() == storage);
CPPUNIT_ASSERT(shbuffer->capacity() == 32);
shbuffer->position(32);
shbuffer->ensureRemaining(128);
CPPUNIT_ASSERT(shbuffer->capacity() == 256);
shbuffer->ensureRemainingExact(533);
CPPUNIT_ASSERT(shbuffer->remaining() == 533);
delete shbuffer;
ScopedByteBuffer *buf = new ScopedByteBuffer( new char[64], 64);
buf->ensureRemaining(128);
buf->ensureRemainingExact(533);
delete buf;
}
};
CPPUNIT_TEST_SUITE_REGISTRATION( ByteBufferTest );
}
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